Keysight Technologies N5244/5B Service Manual page 404

Replaceable Parts
Replaceable Parts Listings
Reference Part Number
a
Type
Designator
W116 SR N5245-20061
W117 SR N5245-20092
W118 SR N5245-20091
W123 SR N5245-20155
Was N5245-20104
a. SR = semirigid coaxial cable; F = flexible coaxial cable
b. Some PNA models have newer model A27/A28 mixer blocks installed. A68/A69 3 dB attenuators are only applicable to
instruments with legacy 5087-7323/5087-6323 mixer bricks. The new 5087-7417 mixer brick have the 3 dB pads
integrated into the mixer brick assembly. Legacy A27/A28 mixer bricks use the 5245-20021 semi-rigid cable. New mixer
bricks use the N5245-20191 semi-rigid cable.
6-170
Qty Description
1 A52 port 4 mechanical switch to A31 port 4 reference coupler
1 A52 port 4 mechanical switch to PORT 4 SW SRC OUT (J4)
1 A52 port 4 mechanical switch to PORT 4 SW TSET (J3)
4 Rear panel jumper
Keysight N5244B/45B Service Guide